<script>
import AppHeaderNav from './app-header-nav.vue';
import { ref,onMounted } from "vue";

export default {
    name: 'AppHeadersticky',
    components: {
        AppHeaderNav,
    },
    setup(){
        const y = ref(0)
        onMounted(()=>{
            window.onscroll=()=>{
                const scrollTop = use
                y.value = scrollTop
            }
        })
        return {y}
    }
}
</script>

<template>
    <div class="app-header-sticky" :class="{show:y>78}">
        <div class="container" v-show="y>78">
          <RouterLink class="logo" to="/" />
          <AppHeaderNav />
          <div class="right">
            <RouterLink to="/" >品牌</RouterLink>
            <RouterLink to="/" >专题</RouterLink>
          </div>
        </div>
    </div>
</template>

<style scoped lang="less">
@import '@/assets/styles/variables.less';
.app-header-sticky {
  width: 100%;
  height: 80px;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 999;
  background-color: #fff;
  border-bottom: 1px solid #e4e4e4;
  transform: translateY(-100%);
  opacity: 0;
  &.show{
    transition:  all 0.3s linear;
    transform: none;
    opacity: 1;
  }
  .container {
    display: flex;
    align-items: center;
  }
  .logo {
    width: 200px;
    height: 80px;
    background: url(../assets/images/logo.png) no-repeat  right 2px;
    background-size: 160px auto;
  }
  .right {
    width: 220px;
    display: flex;
    text-align: center;
    padding-left: 40px;
    border-left: 2px solid @xtxColor;
    a {
      width: 38px;
      margin-right: 40px;
      font-size: 16px;
      line-height: 1;
      &:hover {
        color: @xtxColor;
      }
    }
  }
}
</style>